I can confirm that this issue seems to still be present.
Activating the debu panel as TTV Byoxide did shows that after the first brake release at scenario start the only way to get the brakes of the freight cars to completely depressurize is to keep the brake selector to full high release.
Ty2 - Brake pressure bug after firts brake engaged
in Dyskusja [Tryb jednoosobowy]
Posted
I can confirm that this issue seems to still be present.
Activating the debu panel as TTV Byoxide did shows that after the first brake release at scenario start the only way to get the brakes of the freight cars to completely depressurize is to keep the brake selector to full high release.